========== NOTE: 2 player mode is only for android 2.1 and higher (for multi-touch) ==========
The idea is based on TuxMath - a very popular educational maths software. This is a fun way for kids to learn numbers and build basic math skills.
Try to destroy the rain of numbers. Any correct answer will destroy the relevant raining equation completely.
2 player mode is a funny reaction game for two people on the same device. You can help your children learn math in a funny way!
Designed for kids and fun! Math really can be fun and really can be easy to learn.
==========注意：2人游戏模式仅适用于Android 2.1及更高版本（多点触摸）==========
想法是基于在与tuxmath - 一个非常流行的教育数学软件。这是一个有趣的方式为孩子们学习数字和建立基本的数学技能。
尝试摧毁雨的数字。任何正确的答案将完全破坏下雨方程。
2人游戏模式是一个有趣的反应，两个人在同一设备上的游戏。您可以在一个有趣的方式帮助你的孩子学习数学！
专为孩子和乐趣！数学真的可以很有趣，真的可以很容易学习。

minor improvement